Grams to Ounces Converter
Convert grams to ounces, or ounces to grams, instantly.
Weight Conversion Formula
Ounces = grams ÷ 28.3495. Grams = ounces × 28.3495.
Worked example
Convert 100 grams to ounces.
100 ÷ 28.3495 ≈ 3.527
100 g ≈ 3.527 oz
Worked example (ounces to grams)
Convert 16 ounces (1 pound) to grams.
16 × 28.3495 = 453.592
16 oz = 453.592 g
Quick reference: ounces to grams
| Ounces | Grams |
|---|---|
| 1 oz | 28.35 |
| 4 oz (1/4 lb) | 113.40 |
| 8 oz (1/2 lb) | 226.80 |
| 16 oz (1 lb) | 453.59 |
Keep going
- Grams-to-ounces and kg-to-lbs are the same metric-to-imperial weight conversion at different scales; the kg to lbs calculator handles the larger-scale version. Kg ↔ Lbs Calculator
Frequently Asked Questions
How many ounces are in a gram?
1 gram = 0.035274 ounces.
How many grams are in an ounce?
1 ounce = 28.3495 grams.
Is this the same ounce used for liquids?
No. This is the ounce used for weight (avoirdupois ounce, 28.3495 grams) — a fluid ounce measures volume instead and uses a different conversion (see the ml to oz converter for that).
How many grams are in a pound?
1 pound = 16 ounces = 453.592 grams (16 × 28.3495 = 453.592). This is the same 453.592-gram figure used by the kg to lbs converter, since 1 kilogram works out to about 2.2 of these pounds.
Is the avoirdupois ounce the same as a troy ounce?
No — they're different systems. The avoirdupois ounce (28.3495 g) is used for everyday weight like food and shipping. The troy ounce, used for precious metals like gold and silver, is heavier at 31.1035 grams. Don't use this converter for troy weights.
How much does a US dollar bill weigh?
A US bill weighs about 1 gram no matter the denomination, which is roughly 0.035 oz (1 × 0.035274). A stack of 100 bills — a single 'strap' — weighs about 100 grams, or 3.527 oz.
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